Regeneration control device for vehicle

Abstract

A regeneration control device for a vehicle includes: a motor control unit that drives a motor generator connected to running wheels of the vehicle at the time of decreasing a vehicle speed, so as to generate electricity, performing regenerative braking; a paddle switch that performs increasing/decreasing operation on a regeneration amount Tr by the motor generator; and a main control unit that performs increasing/decreasing control on the regeneration amount Tr continuously in response to the increasing/decreasing operation by the paddle switch, wherein the main control unit sets a regeneration amount increasing rate in an increasing operation of the regeneration amount by operation of an UP switch of the paddle switch to be higher than a regeneration amount decreasing rate in a decreasing operation of the regeneration amount by operation of a DOWN switch.

What is claimed is: 
     
       1. A regeneration control device for a vehicle, comprising:
 a regenerative braking device that performs regenerative braking on a revolving armature for transmitting driving force to running wheels of the vehicle at a time of decreasing a vehicle speed, so as to generate electricity; 
 an operation switch operated by a user of the vehicle, the operation switch performing increasing/decreasing operation on a regeneration amount in the regenerative braking device; and 
 a regeneration amount controller that performs increasing/decreasing control on the regeneration amount continuously in response to the increasing/decreasing operation using the operation switch, wherein 
 the regeneration amount controller simultaneously sets a change rate for the regeneration amount in an increasing operation of the regeneration amount and in a decreasing operation of the regeneration amount prior to operation of the operation switch, and 
 the change rate for regeneration amount in the increasing operation of the regeneration amount is higher than the change rate for the regeneration amount in the decreasing operation of the regeneration amount. 
 
     
     
       2. The regeneration control device for a vehicle according to  claim 1 , wherein
 the vehicle includes a braking operation detector that detects braking operation of the vehicle, and 
 when the braking operation is detected, and the increasing operation is performed on the operation switch, the regeneration amount controller sets the change rate for the regeneration amount to be higher than not in braking operation. 
 
     
     
       3. The regeneration control device for a vehicle according to  claim 2 , wherein
 the vehicle includes a vehicle speed detector that detects a running speed of the vehicle, and 
 when the increasing operation is performed on the operation switch, the regeneration amount controller sets the change rate for the regeneration amount to be higher as the running speed decreases. 
 
     
     
       4. The regeneration control device for a vehicle according to  claim 3 , wherein
 the vehicle includes: 
 an energy storage that charges electricity generated by the regenerative braking and supplies the revolving armature with electricity for running drive; and 
 a charging rate state of charge detector that detects a charging rate state of charge of the energy storage, and 
 when the increasing operation is performed on the operation switch, an increased amount of the change rate for the regeneration amount becomes smaller as the detected charging rate state of charge approaches 100%. 
 
     
     
       5. The regeneration control device for a vehicle according to  claim 4 , wherein
 the vehicle includes a braking amount detector that detects a braking operation amount of the vehicle, and 
 when the increasing operation is performed on the operation switch, the regeneration amount controller sets the change rate for the regeneration amount to be higher as the braking operation amount increases. 
 
     
     
       6. The regeneration control device for a vehicle according to  claim 3 , wherein
 the vehicle includes a braking amount detector that detects a braking operation amount of the vehicle, and 
 when the increasing operation is performed on the operation switch, the regeneration amount controller sets the change rate for the regeneration amount to be higher as the braking operation amount increases. 
 
     
     
       7. The regeneration control device for a vehicle according to  claim 2 , wherein
 the vehicle includes: 
 an energy storage that charges electricity generated by the regenerative braking and supplies the revolving armature with electricity for running drive; and 
 a charging rate state of charge detector that detects a charging rate state of charge of the energy storage, and 
 when the increasing operation is performed on the operation switch, an increased amount of the change rate for the regeneration amount becomes smaller as the detected charging rate state of charge approaches 100%. 
 
     
     
       8. The regeneration control device for a vehicle according to  claim 7 , wherein
 the vehicle includes a braking amount detector that detects a braking operation amount of the vehicle, and 
 when the increasing operation is performed on the operation switch, the regeneration amount controller sets the change rate for the regeneration amount to be higher as the braking operation amount increases. 
 
     
     
       9. The regeneration control device for a vehicle according to  claim 2 , wherein
 the vehicle includes a braking amount detector that detects a braking operation amount of the vehicle, and 
 when the increasing operation is performed on the operation switch, the regeneration amount controller sets the change rate for the regeneration amount to be higher as the braking operation amount increases. 
 
     
     
       10. The regeneration control device for a vehicle according to  claim 1 , wherein
 the vehicle includes a vehicle speed detector that detects a running speed of the vehicle, and 
 when the increasing operation is performed on the operation switch, the regeneration amount controller sets the change rate for the regeneration amount to be higher as the running speed decreases. 
 
     
     
       11. The regeneration control device for a vehicle according to  claim 10 , wherein
 the vehicle includes: 
 an energy storage that charges electricity generated by the regenerative braking and supplies the revolving armature with electricity for running drive; and 
 a charging rate state of charge detector that detects a charging rate state of charge of the energy storage, and 
 when the increasing operation is performed on the operation switch, an increased amount of the change rate for the regeneration amount becomes smaller as the detected charging rate state of charge approaches 100%. 
 
     
     
       12. The regeneration control device for a vehicle according to  claim 11 , wherein
 the vehicle includes a braking amount detector that detects a braking operation amount of the vehicle, and 
 when the increasing operation is performed on the operation switch, the regeneration amount controller sets the change rate for the regeneration amount to be higher as the braking operation amount increases. 
 
     
     
       13. The regeneration control device for a vehicle according to  claim 10 , wherein
 the vehicle includes a braking amount detector that detects a braking operation amount of the vehicle, and 
 when the increasing operation is performed on the operation switch, the regeneration amount controller sets the change rate for the regeneration amount to be higher as the braking operation amount increases. 
 
     
     
       14. The regeneration control device for a vehicle according to  claim 1 , wherein
 the vehicle includes: 
 an energy storage that charges electricity generated by the regenerative braking and supplies the revolving armature with electricity for running drive; and 
 a charging rate state of charge detector that detects a charging rate state of charge of the energy storage, and 
 when the increasing operation is performed on the operation switch, an increased amount of the change rate for the regeneration amount becomes smaller as the detected charging rate state of charge approaches 100%. 
 
     
     
       15. The regeneration control device for a vehicle according to  claim 14 , wherein
 the vehicle includes a braking amount detector that detects a braking operation amount of the vehicle, and 
 when the increasing operation is performed on the operation switch, the regeneration amount controller sets the change rate for the regeneration amount to be higher as the braking operation amount increases. 
 
     
     
       16. The regeneration control device for a vehicle according to  claim 1 , wherein
 the vehicle includes a braking amount detector that detects a braking operation amount of the vehicle, and 
 when the increasing operation is performed on the operation switch, the regeneration amount controller sets the change rate for the regeneration amount to be higher as the braking operation amount increases.